The nonprofit X Prize Foundation, which awarded $10 million to a groundbreaking private spaceship in 2004 and is currently offering $30 million in prize money for a private race to the moon, will be announcing further spaceflight challenges in the future, said Gregg Maryniak, the organization’s corporate secretary.

However, those challenges are “not at a sufficient level of cooking to be discussed," Maryniak said here Sunday (May 19) at Maker Faire Bay Area, a two-day festival celebrating DIY science, engineering and technology. [The Top 10 Private Spaceships]